<script setup>
  // 获取安全区域数据
  import { ref, computed, onMounted, nextTick } from 'vue'
  import feedList from './components/feed-list'
  import { feedListApi, doctorListApi } from '@/services/doctor.js'
  import doctorList from './components/doctor-list.vue'
  // 获取安全区域数据
  const { safeAreaInsets } = uni.getSystemInfoSync()
  // 标签页索引值
  const tabIndex = ref(0)
  const docList = ref([])
  // 标签页数据
  const feedTabs = ref([
    {
      label: '推荐',
      type: 'recommend',
      current: 1,
      hasMore: true,
      list: [], // 每个list管理自己的数据列表
      rendered: true,
      scorllTop: 0
    },
    {
      label: '关注',
      type: 'like',
      current: 1,
      hasMore: true,
      list: [],
      rendered: false,
      scorllTop: 0
    },
    {
      label: '减脂',
      type: 'fatReduction',
      current: 1,
      hasMore: true,
      list: [],
      rendered: false,
      scorllTop: 0
    },
    {
      label: '饮食',
      type: 'food',
      current: 1,
      hasMore: true,
      list: [],
      rendered: false,
      scorllTop: 0
    }
  ])
  // 当前的type
  const feedType = computed(() => feedTabs.value[tabIndex.value].type)

  // 当前的页码
  const feedCurrent = computed(() => feedTabs.value[tabIndex.value].current)
  // 每次请求多少条数据
  const feedPageSize = ref(5)
  const scrollTop = ref(0)
  //请求数据
  const getFeedList = async () => {
    const res = await feedListApi({
      type: feedType.value,
      current: feedCurrent.value,
      pageSize: feedPageSize.value
    })

    feedTabs.value[tabIndex.value].list.push(...res.data.data.rows)
    // 判断是否还有下一页
    if (feedTabs.value[tabIndex.value].current >= res.data.data.pageTotal) {
      feedTabs.value[tabIndex.value].hasMore = false
    }
    feedTabs.value[tabIndex.value].current++
  }

  const scroll = (e) => {
    feedTabs.value[tabIndex.value].scorllTop = e.detail.scrollTop
  }

  const getDoctorList = async () => {
    const res = await doctorListApi()
    docList.value = res.data.data.rows
  }
  onMounted(() => {
    getFeedList()
    getDoctorList()
  })

  // 切换标签页
  async function onFeedTabChange({ index }) {
    tabIndex.value = index
    if (!feedTabs.value[index].rendered) getFeedList()
    feedTabs.value[index].rendered = true
    await nextTick(() => {
      scrollTop.value = feedTabs.value[index].scorllTop
    })
  }
  //触底
  const scrollLower = () => {
    if (feedTabs.value[tabIndex.value].hasMore) getFeedList()
  }

  uni.$on('index-page', (type) => {
    type(2)
  })
</script>
<template>
  <scroll-page
    @scrolltolower="scrollLower"
    @scroll="scroll"
    :scrollTop="scrollTop"
  >
    <view
      class="index-page"
      :style="{ backgroundPositionY: -48 + safeAreaInsets.top + 'px' }"
    >
      <!-- 页面导航 -->
      <view
        :style="{ paddingTop: safeAreaInsets.top + 'px' }"
        class="page-navbar"
      >
        优医
      </view>

      <!-- 搜索栏 -->
      <view class="search-bar">
        <input
          placeholder-class="input-placeholder"
          placeholder="搜一搜: 疾病/症状/医生/健康知识"
          class="input"
          type="text"
        />
        <view class="icon-search">
          <uni-icons size="22" color="#C3C3C5" type="search" />
        </view>
      </view>
      <!-- 快速入口 -->
      <view class="quick-entry">
        <navigator hover-class="none" class="quick-entry-item">
          <image
            class="quick-entry-icon"
            src="/static/images/quick-entry-1.png"
          />
          <text class="label">问医生</text>
          <text class="small">按科室查问医生</text>
        </navigator>
        <navigator
          hover-class="none"
          class="quick-entry-item"
          url="/subpkg_consult/quickly/index?type=2"
        >
          <image
            class="quick-entry-icon"
            src="/static/images/quick-entry-2.png"
          />
          <text class="label">极速问诊</text>
          <text class="small">20s医生极速回复</text>
        </navigator>
        <navigator hover-class="none" class="quick-entry-item">
          <image
            class="quick-entry-icon"
            src="/static/images/quick-entry-3.png"
          />
          <text class="label">开药门诊</text>
          <text class="small">线上买药更方便</text>
        </navigator>
      </view>
      <!-- 快速查看 -->
      <view class="quick-view">
        <navigator
          hover-class="none"
          class="quick-view-item"
          url="/subpkg_medicine/order_list/index"
        >
          <image
            class="quick-view-icon"
            src="/static/images/quick-view-1.png"
          />
          <text class="label">药品订单</text>
        </navigator>
        <navigator
          hover-class="none"
          class="quick-view-item"
          url="/subpkg_archive/list/index"
        >
          <image
            class="quick-view-icon"
            src="/static/images/quick-view-2.png"
          />
          <text class="label">健康档案</text>
        </navigator>
        <navigator hover-class="none" class="quick-view-item">
          <image
            class="quick-view-icon"
            src="/static/images/quick-view-3.png"
          />
          <text class="label">我的处方</text>
        </navigator>
        <navigator hover-class="none" class="quick-view-item">
          <image
            class="quick-view-icon"
            src="/static/images/quick-view-4.png"
          />
          <text class="label">疾病查询</text>
        </navigator>
      </view>
      <!-- 广告位 -->
      <view class="banner-placeholder">
        <swiper
          class="uni-swiper"
          indicator-dots
          indicator-color="#ffffff99"
          indicator-active-color="#fff"
          circular
        >
          <swiper-item>
            <navigator hover-class="none" class="navigator" url=" ">
              <image class="banner-image" src="/static/images/banner-1.png" />
            </navigator>
          </swiper-item>
          <swiper-item>
            <navigator hover-class="none" class="navigator" url=" ">
              <image
                class="banner-image"
                src="/static/images/banner-1.png"
                mode="aspectFill"
              />
            </navigator>
          </swiper-item>
        </swiper>
      </view>
      <!-- 标签页列表 -->
      <view
        class="doctor-feeds"
        :style="{ marginTop: -safeAreaInsets.top + 'px' }"
      >
        <custom-sticky :offset-top="safeAreaInsets.top + 'px'">
          <custom-tabs @click="onFeedTabChange" :list="feedTabs" />
        </custom-sticky>
        <view v-for="(v, i) in feedTabs" :key="i" v-show="+tabIndex === i">
          <doctorList
            v-if="feedType === 'recommend'"
            :list="docList"
          ></doctorList>
          <feedList v-if="v.rendered" :list="v.list"></feedList>
        </view>
      </view>
    </view>
  </scroll-page>
</template>
<style lang="scss">
  @import './index.scss';
</style>
